Geometry: Trigonometry
10 lessons, in the order they are taught. Part of the Year 9 Maths curriculum.
What this topic covers
- 1Checking and securing understanding of Pythagoras' theorem
- 2Checking and securing understanding of similar triangles
- 3Choosing an appropriate method for finding lengths of a triangle
- 4Choosing the right trigonometric ratio
- 5Problem solving with trigonometry
- 6Scaling the right-angled triangle from the unit circle
- 7Sine and cosine ratios
- 8Tangent ratio
- 9The unit circle
- 10Using the cosine ratio
Try it now
Question 1 of 5Real Year 9 Maths questions. No account needed.
In a right triangle, if θ = 35ᵒ and the opposite side is 7 cm, what is the length of the hypotenuse to the nearest whole number?
Learn Geometry: Trigonometry
Every subject and year group, free while we are in beta. No card required.
Create a free account